(I) A child's place in the family hierarchy has changed over the centuries. (II) Many European countries are worried about the low birth rates. (III) Traditionally, it was expected from the firstborn son to share the responsibility of providing for the family. (IV) He also was designated as the person who would inherit the farm. (V) Depending on his age at the time of his father's death, he was usually the person who cared for his family and performed other functions.